Fecha de publicación: 03/08/2021 Fuente: Wipo "BigData" The invention discloses a display device for big data analysis and a display method thereof, relates to the technical field of big data display tools, and aims to solve the problems that the utilization efficiency of the internal space of the existing display device is relatively low and the display effect of a display board is influenced due to the limitation of a sliding rail. A bottom plate is arranged at the lower end of the interior of the display frame, a display screen is installed on one side of the rear end of the interior of the display frame, a first display board and a second display board are arranged at the front end of the display screen, fixed sliding rails are arranged above and below the rear end of the first display board, and sliding grooves are formed in the upper end and the lower end of the second display board. The sliding groove is formed in the first display board, the sliding groove and the second display board are integrally formed, a winding drum is arranged above the front ends of the first display board and the second display board, projection cloth is installed in the winding drum, and cleaning devices are arranged between the projection cloth and the first display board and between the projection cloth and the second display board.